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  <title>chunk_analyzer 模块评估报告 - a2fad2</title>
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  <div class="container">
    <h1>chunk_analyzer 模块评估报告</h1>
    
    <div class="card">
      <h2>基本信息</h2>
      <table>
        <tr>
          <td width="150"><strong>模块名称</strong></td>
          <td>chunk_analyzer</td>
        </tr>
        <tr>
          <td><strong>模块类型</strong></td>
          <td>ModuleType.CHUNK_ANALYZER</td>
        </tr>
        <tr>
          <td><strong>提交SHA</strong></td>
          <td>a2fad248947d702ed3dcb52b8377c1a3ae201e44</td>
        </tr>
        <tr>
          <td><strong>目标版本</strong></td>
          <td>linux-6.12.y</td>
        </tr>
        <tr>
          <td><strong>执行时间</strong></td>
          <td>2025-03-27T17:14:15.291909</td>
        </tr>
        <tr>
          <td><strong>状态</strong></td>
          <td>
            <span class="tag tag-success">成功</span>
          </td>
        </tr>
      </table>
    </div>
    
    <div class="card">
      <h2>输入信息</h2>
      <table>
        
                <tr>
                  <td width="200"><strong>原始补丁路径</strong></td>
                  <td>/home/elpsy/workspace/sow/patch-backport/workspace/gregkh/linux/a2fad2/patches/upstream_a2fad2.patch</td>
                </tr>
                
                <tr>
                  <td width="200"><strong>代码仓库路径</strong></td>
                  <td>../backport-test/linux</td>
                </tr>
                
      </table>
    </div>
    
    <div class="card">
      <h2>输出信息</h2>
      <table>
        
                <tr>
                  <td width="200"><strong>状态</strong></td>
                  <td>成功</td>
                </tr>
                
                <tr>
                  <td width="200"><strong>成功次数</strong></td>
                  <td>1</td>
                </tr>
                
                <tr>
                  <td width="200"><strong>总尝试次数</strong></td>
                  <td>1</td>
                </tr>
                
                <tr>
                  <td width="200"><strong>执行时间</strong></td>
                  <td>10.363976</td>
                </tr>
                
                <tr>
                  <td width="200"><strong>总块数</strong></td>
                  <td>1</td>
                </tr>
                
                <tr>
                  <td width="200"><strong>成功应用块数</strong></td>
                  <td>1</td>
                </tr>
                
                <tr>
                  <td width="200"><strong>成功率</strong></td>
                  <td>100.00%</td>
                </tr>
                
                <tr>
                  <td width="200"><strong>剩余补丁路径</strong></td>
                  <td>None</td>
                </tr>
                
      </table>
    </div>
    
    
        <div class="card">
          <h2>补丁块应用统计</h2>
          
          <div class="progress-container">
            <div class="progress-bar success-bg" style="width: 100%"></div>
          </div>
          <p>
            成功应用 <strong class="success">1</strong> 个块，
            总共 <strong>1</strong> 个块
            (成功率: <strong>100.0%</strong>)
          </p>
        </div>
        
        <div class="card">
          <h2>补丁内容详情</h2>
          <div class="tabs">
            <div class="tab-header">
              <button class="tab-button active" onclick="openTab(event, 'original-patch')">原始补丁</button>
              <button class="tab-button" onclick="openTab(event, 'applied-patches')">应用成功的补丁</button>
              <button class="tab-button" onclick="openTab(event, 'remaining-patch')">未应用成功的补丁</button>
            </div>
            
            <div id="original-patch" class="tab-content" style="display:block;">
              <h3>原始补丁内容</h3>
              <div class="code-container">
                <pre class="code-block">From a2fad248947d702ed3dcb52b8377c1a3ae201e44 Mon Sep 17 00:00:00 2001
From: Zijun Hu &lt;quic_zijuhu@quicinc.com&gt;
Date: Mon, 13 Jan 2025 22:43:23 +0800
Subject: [PATCH] Bluetooth: qca: Fix poor RF performance for WCN6855

For WCN6855, board ID specific NVM needs to be downloaded once board ID
is available, but the default NVM is always downloaded currently.

The wrong NVM causes poor RF performance, and effects user experience
for several types of laptop with WCN6855 on the market.

Fix by downloading board ID specific NVM if board ID is available.

Fixes: 095327fede00 ("Bluetooth: hci_qca: Add support for QTI Bluetooth chip wcn6855")
Cc: stable@vger.kernel.org # 6.4
Signed-off-by: Zijun Hu &lt;quic_zijuhu@quicinc.com&gt;
Tested-by: Johan Hovold &lt;johan+linaro@kernel.org&gt;
Reviewed-by: Johan Hovold &lt;johan+linaro@kernel.org&gt;
Tested-by: Steev Klimaszewski &lt;steev@kali.org&gt; #Thinkpad X13s
Signed-off-by: Luiz Augusto von Dentz &lt;luiz.von.dentz@intel.com&gt;
---
 drivers/bluetooth/btqca.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
index a6b53d1f23dbd..cdf09d9a9ad27 100644
--- a/drivers/bluetooth/btqca.c
+++ b/drivers/bluetooth/btqca.c
@@ -909,8 +909,9 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
 				 "qca/msnv%02x.bin", rom_ver);
 			break;
 		case QCA_WCN6855:
-			snprintf(config.fwname, sizeof(config.fwname),
-				 "qca/hpnv%02x.bin", rom_ver);
+			qca_read_fw_board_id(hdev, &boardid);
+			qca_get_nvm_name_by_board(config.fwname, sizeof(config.fwname),
+						  "hpnv", soc_type, ver, rom_ver, boardid);
 			break;
 		case QCA_WCN7850:
 			qca_get_nvm_name_by_board(config.fwname, sizeof(config.fwname),
</pre>
              </div>
            </div>
            
            <div id="applied-patches" class="tab-content">
              <h3>应用成功的补丁内容</h3>
              <div class="code-container">
                <pre class="code-block">

# ===== 应用成功的补丁块 1 =====

From a2fad248947d702ed3dcb52b8377c1a3ae201e44 Mon Sep 17 00:00:00 2001
From: Zijun Hu &lt;quic_zijuhu@quicinc.com&gt;
Date: Mon, 13 Jan 2025 22:43:23 +0800
Subject: [PATCH] Bluetooth: qca: Fix poor RF performance for WCN6855

For WCN6855, board ID specific NVM needs to be downloaded once board ID
is available, but the default NVM is always downloaded currently.

The wrong NVM causes poor RF performance, and effects user experience
for several types of laptop with WCN6855 on the market.

Fix by downloading board ID specific NVM if board ID is available.

Fixes: 095327fede00 ("Bluetooth: hci_qca: Add support for QTI Bluetooth chip wcn6855")
Cc: stable@vger.kernel.org # 6.4
Signed-off-by: Zijun Hu &lt;quic_zijuhu@quicinc.com&gt;
Tested-by: Johan Hovold &lt;johan+linaro@kernel.org&gt;
Reviewed-by: Johan Hovold &lt;johan+linaro@kernel.org&gt;
Tested-by: Steev Klimaszewski &lt;steev@kali.org&gt; #Thinkpad X13s
Signed-off-by: Luiz Augusto von Dentz &lt;luiz.von.dentz@intel.com&gt;
---
 drivers/bluetooth/btqca.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
index a6b53d1f23dbd..cdf09d9a9ad27 100644
--- a/drivers/bluetooth/btqca.c
+++ b/drivers/bluetooth/btqca.c
@@ -909,8 +909,9 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
 				 "qca/msnv%02x.bin", rom_ver);
 			break;
 		case QCA_WCN6855:
-			snprintf(config.fwname, sizeof(config.fwname),
-				 "qca/hpnv%02x.bin", rom_ver);
+			qca_read_fw_board_id(hdev, &boardid);
+			qca_get_nvm_name_by_board(config.fwname, sizeof(config.fwname),
+						  "hpnv", soc_type, ver, rom_ver, boardid);
 			break;
 		case QCA_WCN7850:
 			qca_get_nvm_name_by_board(config.fwname, sizeof(config.fwname),
</pre>
              </div>
            </div>
            
            <div id="remaining-patch" class="tab-content">
              <h3>未应用成功的补丁内容</h3>
              <div class="code-container">
                <pre class="code-block">没有剩余未应用的补丁内容</pre>
              </div>
            </div>
          </div>
        </div>
        
                <div class="card">
                  <h2>应用成功的补丁块</h2>
                  <table>
                    <tr>
                      <th>块索引</th>
                      <th>修改文件</th>
                      <th>修改位置</th>
                      <th>操作</th>
                    </tr>
                    
                    <tr>
                      <td>1</td>
                      <td>drivers/bluetooth/btqca.c</td>
                      <td>909-909</td>
                      <td><a href="applied_chunk_1.diff" target="_blank">查看</a></td>
                    </tr>
                    
                  </table>
                </div>
                
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